Foreground p.24 AN ANSWER/ORIGINATE MODEM [author Ronald G Parsons] Construction from precalibrated modules that eliminate the need for complicated adjustments makes this modem a practical project for the homebrewing hobbyist. p.42 I/O EXPANSION FOR THE TRS-80, Part 2: Serial Ports [author Steve Ciarcia] Along with a discussion of the theory of serial I/O ports, here's a design for an economical RS-232C interface that is compatible with standard TRS-80 software. p.64 Z80 OP CODES FOR AN 8080 ASSEMBLER [author William T Powers] Using predefined variable names, you can generate proper Z80 machine-language code. p.96 COMMUNICATING IN TWO DIRECTIONS [author Mark R Tichener] With proper transmission lines, extra terminals can make your personal computer flexible and easy to access from many locations. p.122 A TIME-SHARING/MULTI-USER SUBSYSTEM FOR MICROPROCESSORS [author Don Kinzer] This minimal hardware/software system shows that running multiple users on microcomputers is a simpler task to implement than most think. p.140 A TELEPHONE-DIALING MICROCOMPUTER [author John Renbarger] Automatic telephone dialing can be done by two diverse methods. Background p.88 MY TRS-80 TALKS TO MY CROMEMCO Z-2 [author Rod Hallen] Peripherals that were once dedicated to a single computer can now be shared by using this communications scheme. p.108 UNDERSTANDING ISAM [author Reginald D Gates] Some microcomputers can use the indexed-sequential access method, known as ISAM, instead of random access or sequential access. p.214 INTERPERSONALIZED MEDIA: WHAT'S NEWS? [author James A Levin] Decreasing costs and increasing availability of telecommunication facilities for microcomputers imply modes of communication vastly different from the ones we use today. p.230 FIFTEEN: A GAME OF STRATEGY (OR TIC-TAC-TOE REVISITED) [author John Rheinstein] This is a Nim-like game in which players try to pick numbers that will add up to 15.
Nucleus p.6 Editorial: The Grass Roots Electronic Post Office... p.12 Letters p.84, 212, 228 BYTE's Bits p.86 Ask BYTE p.136 Book Reviews: The Network Nation: Human Communications via Computer p.174 BYTELINES (formerly BYTE News) p.182 BYTE's Bugs p.186 BYTE's Bits: Bills Introduced in Congress p.196 Technical Forum A Race-Car Monitoring Program Computing Time Between Dates p.204 Event Queue p.210 Clubs and Newsletters p.238 Languages Forum: Comment and Correction for Mouse p.242 What's New? p.287 Unclassified Ads, BOMB Results p.288 Reader Service, BOMB